Abstract

BACKGROUND: A new-generation everolimus eluting platinum-chromium stent (EePCS), offering improved radial strength, radiopacity and conformability compared to everolimus-eluting cobalt-chromium stents (EeCCS), was evaluated with regard to safety and efficacy in an all-comer cohort.METHODS: A total of 1000 consecutive all-comer patients (including acute coronary syndrome, multivessel disease, calcified lesions) treated with an EePCS (Promus Premier™, Boston Scientific, Natick, Massachusetts) from May 2013 to October 2014 were compared to 1000 consecutive patients treated with an EeCCS (Xience Prime™, Abbott Vascular, Santa Clara, California) from April 2012 to May 2013. Patients were clinically followed for 1year.RESULTS: Mean age was 66±12years with diabetes in 20.7%, previous infarction in 22.7%, and ACS as the indication in 71.2% of patients. The mean number of stents per patient was 1.8±1.13. Total stented length was 35±25mm. Lesion classification was B2/C in 73.9% of patients. At 1year the primary endpoint of major adverse cardiac events (all-cause mortality, myocardial infarction [MI], ischemia-driven target vessel revascularization [TVR]) was reached in 11.7% in the EePCS cohort and 10.9% in the EeCCS cohort (adjusted HR 1.01 [0.77-1.33]; p=0.95). No significant differences were noted in the individual clinical endpoints all-cause mortality (6.8% versus 6.4%), MI (2.2% versus 2.3%), and TVR (4.3% versus 3.7%) in the respective EePCS and EeCCS cohorts. Stent thrombosis occurred in 0.8% and 1.0% respectively.CONCLUSIONS: In all-comer patients undergoing percutaneous coronary intervention, the use of EePCS was associated with similar 1-year clinical outcome as compared to EeCCS.

Abstract

BACKGROUND: A new-generation everolimus eluting platinum-chromium stent (EePCS), offering improved radial strength, radiopacity and conformability compared to everolimus-eluting cobalt-chromium stents (EeCCS), was evaluated with regard to safety and efficacy in an all-comer cohort.METHODS: A total of 1000 consecutive all-comer patients (including acute coronary syndrome, multivessel disease, calcified lesions) treated with an EePCS (Promus Premier™, Boston Scientific, Natick, Massachusetts) from May 2013 to October 2014 were compared to 1000 consecutive patients treated with an EeCCS (Xience Prime™, Abbott Vascular, Santa Clara, California) from April 2012 to May 2013. Patients were clinically followed for 1year.RESULTS: Mean age was 66±12years with diabetes in 20.7%, previous infarction in 22.7%, and ACS as the indication in 71.2% of patients. The mean number of stents per patient was 1.8±1.13. Total stented length was 35±25mm. Lesion classification was B2/C in 73.9% of patients. At 1year the primary endpoint of major adverse cardiac events (all-cause mortality, myocardial infarction [MI], ischemia-driven target vessel revascularization [TVR]) was reached in 11.7% in the EePCS cohort and 10.9% in the EeCCS cohort (adjusted HR 1.01 [0.77-1.33]; p=0.95). No significant differences were noted in the individual clinical endpoints all-cause mortality (6.8% versus 6.4%), MI (2.2% versus 2.3%), and TVR (4.3% versus 3.7%) in the respective EePCS and EeCCS cohorts. Stent thrombosis occurred in 0.8% and 1.0% respectively.CONCLUSIONS: In all-comer patients undergoing percutaneous coronary intervention, the use of EePCS was associated with similar 1-year clinical outcome as compared to EeCCS.

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